{"schema_version":"secwatch.filing_event.v1","accession":"0000950170-25-083180","form_type":"8-K","ticker":"BOLT","cik":"0001641281","company_name":"Bolt Biotherapeutics, Inc.","filed_at":"2025-06-06T23:59:59+00:00","discovered_at":"2026-05-14T18:02:49.169259+00:00","generated_at":"2026-05-19T18:24:44.842927+00:00","sec_items":["5.03","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Bolt Biotherapeutics effects 1-for-20 reverse stock split","bullets":["Reverse stock split at 1-for-20 ratio effective June 6, 2025.","Common stock begins trading on split-adjusted basis June 9, 2025 on Nasdaq under ticker BOLT.","New CUSIP number is 097702203; par value unchanged at $0.00001 per share.","No fractional shares issued; cash payment in lieu of fractional shares.","Proportionate adjustments to outstanding stock options, equity plans, and warrants."],"urls":{"canonical":"https://secwatch.observer/filing/0000950170-25-083180","json":"https://secwatch.observer/filing/0000950170-25-083180.json","markdown":"https://secwatch.observer/filing/0000950170-25-083180.md","text":"https://secwatch.observer/filing/0000950170-25-083180.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1641281/000095017025083180/0000950170-25-083180-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1641281/000095017025083180/bolt-20250606.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-19T18:24:44.842927+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"011fed778981c9ae1ce9b24bd62d29aaaca7ede5","claim":"Bolt Biotherapeutics, Inc.: Filed a Certificate of Amendment to effect a one-for-twenty reverse stock split of common stock (effective 2025-06-06).","evidence_excerpt":"On June 6, 2025, Bolt Biotherapeutics, Inc., a Delaware corporation (the “Company”), filed with the Secretary of State of the State of Delaware a Certificate of Amendment to the Company’s Certificate of Incorporation (the “Amendment”), to effect a one-for-twenty (1:20) reverse stock split of its outstanding common stock, effective as of June 6, 2025 (the “Reverse Stock Split”).","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1641281/000095017025083180/0000950170-25-083180-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"charter amendment"},{"label":"Effective","value":"2025-06-06"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}